23431401441516 has 12 divisors (see below), whose sum is σ = 54673270030232. Its totient is φ = 7810467147168.

The previous prime is 23431401441509. The next prime is 23431401441557. The reversal of 23431401441516 is 61514410413432.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 976308393385 + ... + 976308393408.

Almost surely, 2^{23431401441516} is an apocalyptic number.

It is an amenable number.

23431401441516 is an abundant number, since it is smaller than the sum of its proper divisors (31241868588716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431401441516 is a wasteful number, since it uses less digits than its factorization.

23431401441516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952616786800 (or 1952616786798 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

Adding to 23431401441516 its reverse (61514410413432), we get a palindrome (84945811854948).

The spelling of 23431401441516 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred one million, four hundred forty-one thousand, five hundred sixteen".